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migration/dirtyrate: Introduce command 'virsh domstats --dirtyrate'

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Introduce command 'virsh domstats --dirtyrate' for reporting memory
dirty rate information. The info is listed as:

Domain: 'vm0'
  dirtyrate.calc_status=2
  dirtyrate.calc_start_time=1534523
  dirtyrate.calc_period=1
  dirtyrate.megabytes_per_second=5

Signed-off-by: Hao Wang <wanghao232@huawei.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Hao Wang 2021-03-16 20:32:51 +08:00 committed by Michal Privoznik
parent fee42ea120
commit 5be6decbb1
2 changed files with 21 additions and 2 deletions
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16
docs/manpages/virsh.rst
View File

@ -2219,7 +2219,7 @@ domstats
domstats [--raw] [--enforce] [--backing] [--nowait] [--state]
[--cpu-total] [--balloon] [--vcpu] [--interface]
[--block] [--perf] [--iothread] [--memory]
[--block] [--perf] [--iothread] [--memory] [--dirtyrate]
[[--list-active] [--list-inactive]
[--list-persistent] [--list-transient] [--list-running]y
[--list-paused] [--list-shutoff] [--list-other]] | [domain ...]
@ -2238,7 +2238,8 @@ behavior use the *--raw* flag.
The individual statistics groups are selectable via specific flags. By
default all supported statistics groups are returned. Supported
statistics groups flags are: *--state*, *--cpu-total*, *--balloon*,
*--vcpu*, *--interface*, *--block*, *--perf*, *--iothread*, *--memory*.
*--vcpu*, *--interface*, *--block*, *--perf*, *--iothread*, *--memory*,
*--dirtyrate*.
Note that - depending on the hypervisor type and version or the domain state
- not all of the following statistics may be returned.
@ -2435,6 +2436,17 @@ not available for statistical purposes.
bytes consumed by @vcpus that passing through all memory controllers, either
local or remote controller.
*--dirtyrate* returns:
* ``dirtyrate.calc_status`` - the status of last memory dirty rate
calculation, returned as number from virDomainDirtyRateStatus enum.
* ``dirtyrate.calc_start_time`` - the start time of last memory dirty
rate calculation.
* ``dirtyrate.calc_period`` - the period of last memory dirty rate
calculation.
* ``dirtyrate.megabytes_per_second`` - the calculated memory dirty
rate in MiB/s.
Selecting a specific statistics groups doesn't guarantee that the
daemon supports the selected group of stats. Flag *--enforce*

7
tools/virsh-domain-monitor.c
View File

@ -2148,6 +2148,10 @@ static const vshCmdOptDef opts_domstats[] = {
.type = VSH_OT_BOOL,
.help = N_("report domain memory usage"),
},
{.name = "dirtyrate",
.type = VSH_OT_BOOL,
.help = N_("report domain dirty rate information"),
},
{.name = "list-active",
.type = VSH_OT_BOOL,
.help = N_("list only active domains"),
@ -2267,6 +2271,9 @@ cmdDomstats(vshControl *ctl, const vshCmd *cmd)
if (vshCommandOptBool(cmd, "memory"))
stats |= VIR_DOMAIN_STATS_MEMORY;
if (vshCommandOptBool(cmd, "dirtyrate"))
stats |= VIR_DOMAIN_STATS_DIRTYRATE;
if (vshCommandOptBool(cmd, "list-active"))
flags |= VIR_CONNECT_GET_ALL_DOMAINS_STATS_ACTIVE;